QT1080-ISG

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QT1080-ISG

IC SENSOR QTOUCH 8CHAN 32QFN

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規格

Supplier Microchip Technology
Package Tape & Reel (TR),Cut Tape (CT)
Series QTouch™
ProductStatus Obsolete
Type Buttons
ProximityDetection Yes
NumberofInputs 8
Resolution 8 b
Voltage-Supply 2.8V ~ 5V
Current-Supply 4.5mA
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 32-VFQFN Exposed Pad

概述

Description

QT1080-ISG is a capacitive touch sensor IC (QT1080 family) used to implement touch buttons or sliders. It senses finger proximity via self-capacitance on multiple channels and reports touches to a microcontroller.
Key points
- Multi-channel: typically supports up to 8 touch channels (buttons/slots).
- Auto-calibration and filtering: robust against noise, with adjustable sensitivity and debounce.
- Low power: includes power-saving modes and wake-on-touch.
- Outputs/interface: digital outputs or a simple serial interface to a host MCU; supports guard/shield configurations for reliable panel sensing.
- Packaging/grade: “-ISG” often denotes a specific industrial/packaging variant; check the datasheet for exact package, voltage range, and temperature spec.
Common applications
- Capacitive push buttons, sliders, or proximity sensing in consumer electronics, appliances, remotes, and wearables.
Note
- For precise channel count, voltage range, timing, and interface details, consult the QT1080-ISG datasheet. If you meant a different part or variant, please provide context.

Package

QT1080-ISG is in an 8-pin surface-mount SOIC (SOP-8) package.

Pinout

- Pin count: 16 pins (likely in a 16‑pin package such as QFN/SOIC-16)
- Function: QT1080-ISG is a capacitive touch sensor IC; detects touch on a capacitive pad and reports the event to a host microcontroller via an I2C/serial interface (touch button input).

Manufacturer

Manufacturer: Microchip Technology Inc.
What kind of company: A multinational semiconductor company that designs and manufactures microcontrollers, memory, analog and interface ICs, and embedded control products (including QTouch capacitive sensing devices).

Application

QT1080-ISG is a low-power capacitive touch sensing IC. Common applications include touch buttons/controls in consumer electronics and appliances (remote controls, kitchen and laundry appliances, HVAC panels), automotive/infotainment controls, industrial control panels, and IoT/medical devices with non-mechanical user interfaces.

Equivalent

QT1080-ISG is a capacitive touch sensor IC. Equivalents include:
- Microchip CAP1208 (8-channel I2C)
- NXP MPR121 (12-channel I2C)
- Microchip CAP1166/ CAP1168 (multi-channel I2C)
- Atmel/Microchip AT42QT1010 / AT42QT1070 (QTouch family)
- TTP223 (single-channel)
Choose by required channel count and interface.

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